Aargau, Switzerland Weather

  1. Aargau, Switzerland Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Aargau over the next 12 hours
  7. Temperature and possibility of rain in Aargau in the coming days
  8. Rainfall in Aargau in the coming days
  9. Aargau Weather Summary
  10. Weather averages by month
  11. Aargau's weather
  12. Frequently asked questions
  13. Comments
Aargau, Weather
(Photo by Dino Reichmuth on Unsplash)

Current conditions

Updated:
21°C
69.8°F
°C °F

Condition: Mainly Clear

Pressure: 959 hPa

Feel like: 22 °C

Temperature: 21°C

Cloud: 4%

Humidity: 72%

Wind: SW - 2 km/h

Visibility: 39.36 km

Weather forecast

Wed
05 Aug
20°C / 28°C
Overcast
Thu
06 Aug
15°C / 27°C
Overcast
Fri
07 Aug
13°C / 26°C
Overcast
Sat
08 Aug
10°C / 27°C
Overcast
Sun
09 Aug
16°C / 31°C
Mainly Clear
Hourly forecast today:
01:00 AM
16° / 21°
16° / 21°
Mainly Clear
72% 15 km/h
02:00 AM
15° / 20°
15° / 20°
Overcast
74% 8 km/h
03:00 AM
15° / 19°
15° / 19°
Clear Sky
78% 8 km/h
04:00 AM
15° / 19°
15° / 19°
Clear Sky
79% 5 km/h
05:00 AM
16° / 18°
16° / 18°
Mainly Clear
84% 8 km/h
06:00 AM
17° / 20°
17° / 20°
Clear Sky
80% 10 km/h
07:00 AM
17° / 23°
17° / 23°
Clear Sky
69% 7 km/h
08:00 AM
17° / 25°
17° / 25°
Partly Cloudy
59% 7 km/h
09:00 AM
18° / 27°
18° / 27°
Clear Sky
57% 8 km/h
10:00 AM
16° / 29°
16° / 29°
Mainly Clear
46% 10 km/h
11:00 AM
16° / 31°
16° / 31°
Mainly Clear
40% 9 km/h

30 Day Averages and Extremes

  • Average high 28.87°C
  • Average low 15.8°C
  • Hottest day 36°C (29 July 2026)
  • Coldest day 0°C (17 August 2026)
  • Average humidity 50.33%
  • Days with precipitation 18 days
  • Highest precipitation 27 mm (13 August 2026)

Yesterday's Data

  • Max: 34°C
  • Min: 18°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Aargau over the next 12 hours

Temperature and possibility of rain in Aargau in the coming days

Rainfall in Aargau in the coming days

Aargau Climate Summary

Aargau features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.02ºC (51.84ºF), which is about 1.92% higher than the national average for Switzerland. Annually, the city experiences approximately 118.76 millimeters (4.68 inches) of rainfall, spread across 164.17 rainy days, accounting for 44.98% of the year.

Longitude 47.3876664
Latitude 8.2554295
Yearly high temperature 14.46ºC (58.03ºF)
Yearly low temperature 5.04ºC (41.07ºF)
Hottest month August 24.4ºC (75.92ºF)
Coldest month December -0.73ºC (30.69ºF)
Yearly precip 118.76mm (4.68in)
Days with rainfall 164.17 days (44.98%)
Driest month March (80.55%)
Wettest month June (77.78%)

Weather averages by month

Month High / Low (°C) Rain
January 3.82° / -2.08° 14.73 days
February 5.16° / -2.33° 12.09 days
March 10.4° / 0.78° 12.36 days
April 15.48° / 4.2° 12.36 days
May 17.89° / 6.8° 17.27 days
June 22.54° / 10.79° 16.36 days
July 24.51° / 12.85° 15.64 days
August 24.4° / 13.17° 14.82 days
September 20.52° / 9.66° 11.91 days
October 15.1° / 5.55° 11.36 days
November 8.96° / 1.84° 10.36 days
December 4.74° / -0.73° 14.91 days

Aargau's weather

Frequently asked questions

1. What is the hottest month in Aargau?

August has the highest average monthly temperature (daily mean of 24.4ºC) and December are the coolest (daily mean of -0.73ºC).

2. What should I wear in Aargau today?

For today's very hot weather in Aargau, with the high temperatures above 30ºC (86.0ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- Lightweight, loose-fitting shorts
- UV-blocking sunglasses
- Broad-brimmed sun hat

Temperature

Early
15°C / 19°C
Morning
18°C / 27°C
Afternoon
12°C / 33°C
Evening
18°C / 21°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 479
  • CO 165
  • NH3 11
  • NO2 5
  • O3 51
  • PM10 10
  • PM25 7
  • SO2 0
  • CH4 1,542

Sunrise / Sunset

04:10
18:55